diff --git a/src/pdf.js b/src/pdf.js
index 731545061..7681115c4 100644
--- a/src/pdf.js
+++ b/src/pdf.js
@@ -92,6 +92,8 @@ exports.InvalidPDFException = pdfjsSharedUtil.InvalidPDFException;
 exports.MissingPDFException = pdfjsSharedUtil.MissingPDFException;
 exports.SVGGraphics = pdfjsDisplaySVG.SVGGraphics;
 exports.NativeImageDecoding = pdfjsSharedUtil.NativeImageDecoding;
+exports.CMapCompressionType = pdfjsSharedUtil.CMapCompressionType;
+exports.PermissionFlag = pdfjsSharedUtil.PermissionFlag;
 exports.UnexpectedResponseException =
   pdfjsSharedUtil.UnexpectedResponseException;
 exports.OPS = pdfjsSharedUtil.OPS;